Technical Team Lead, Fullstack Developer

TECSS SRL

. Guide a development team building software and web applications using .NET and React .

Posted 9/16/2026full-timeCluj-Napoca • RomaniaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Full Stack Development with a strong focus on .NET and React, alongside proven leadership in guiding teams through greenfield projects. Proficient in translating architectural direction into actionable steps while mentoring team members and ensuring project alignment.

Highest-signal resume keywords

Full Stack DevelopmentC# and .NET CoreTechnical Team LeadReactAzure DevOps or AWS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ASP.NET CoreEntity FrameworkMicrosoft SQL ServerSQL Server Reporting Services (SSRS)Design PatternsArchitectural PrinciplesRelational DatabasesORM ToolsLINQ to SQLCMS Platforms

Soft Skills

MentoringCollaborationProblem SolvingCommunication

Tools & Technologies

Azure DevOpsAWS

Industry Keywords

Greenfield ProjectsWeb-Based ApplicationsSeparation of ConcernsRESTSOLID Principles

Tech Stack

Tools & technologies

ASP.NETAWSAzureEntity FrameworkMS SQL ServerReactSitecoreSQL.NET

About the role

Key responsibilities & impact

Guide a development team building software and web applications using .NET and React
Work mostly on projects started from the ground up
Translate architectural direction into clear, actionable steps for the team
Collaborate closely with the architect and DevOps to align technical decisions and maintain delivery progress
Balance hands-on technical involvement with day-to-day team coordination
Mentor team members
Identify solutions when the path forward is unclear

Requirements

What you’ll need

6+ years of experience as a Full Stack Developer (web-based applications)
2+ years of experience as a Technical Team Lead, ideally on greenfield projects
Strong experience with C# and .NET Core
Experience with ASP.NET Core, .NET Core (MVC & Web API), and Entity Framework
Experience with Microsoft SQL Server and SQL Server Reporting Services (SSRS)
Hands-on experience with React
Solid understanding of design patterns and architectural principles (REST, SOLID principles, Separation of Concerns, DRY)
Experience with Azure DevOps or AWS
Experience with relational databases and ORM tools (Entity Framework, NHibernate, LINQ to SQL)
Familiarity with CMS platforms such as Sitecore or Contentful is a plus
Strong written and spoken English
Bachelor's degree in Computer Science, Engineering, or a related field

Benefits

Comp & perks

Work directly with some of the most recognizable organizations in sports
A team culture built on passion, not just performance
Real ownership over technical decisions and how they shape the product